They don't mean the same thing. See above.Dear Teachers
I would like to know which of the following sounds better, 1) or 2), please advise.
1) The stock index includes 100 of the largest domestic and international non-financial companies.
There may be, for example, 250 companies which are deemed to be the largest. This sentence shows that an unspecified 100 of them are in the stock index. They may be company 1, 2, 3 etc and then number 26, number 149, number 232 etc, simply making a total of 100, but not necessarily those numbered 1 to 100.
2) The stock index includes the largest 100 domestic and international non-financial companies.
If we assume still that there are 250 companies who are deemed to be the largest, this sentence shows that the top 100 are in the stock index.
Anthony the learner
Student or Learner